While persistent cough has been a hallmark symptom of tuberculosis, there should be new ways identified to diagnose the world's most deadly infection as a new study on Wednesday showed a majority of the patients do not have the common .
"A persistent cough is often the entry point for a diagnosis, but if 80 per cent of those with TB do not have one, then it means that a diagnosis will happen
World s deadliest bug can be transmitted by breathing as it makes UK comeback dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.
Mycobacterium tuberculosis (Mtb), the bacteria that causes a tuberculosis infection, is present in exhaled breath of 90% of those presenting with suspected tuberculosis.